Patent Assignment Details
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Reel/Frame: | 005430/0262 | |
| Pages: | 2 |
| | Recorded: | 09/07/1990 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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01/29/1991
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Application #:
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07437783
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Filing Dt:
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11/21/1989
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Title:
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HOMOPOLYMERS OR BLOCK COPOLYMERS OF VINYLAROMATICS AND/OR DIENES WITH AMMONIUM GROUPS, AND PREPARATION OF SAME
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Assignee
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6700 LUDWIGSHAFEN |
RHEINLAND-PFALZ, GERMANY |
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Correspondence name and address
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HERBERT B. KEIL
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1101 CONN AVE., N. W.
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WASHINGTON, DC 20036
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